CA290392A - Perforatrice a roc - Google Patents

Perforatrice a roc

Info

Publication number: CA290392A
Authority: CA; Canada
Prior art keywords: rock drill; drill; rock
Prior art date: 1929-06-11
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

CA290392A

Other languages

English (en)

Inventor

Augustus Smith William

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Ingersoll Rand Co

Original Assignee

Ingersoll Rand Co

Publication date

1929-06-11

1929-06-11 Application granted granted Critical

1929-06-11 Publication of CA290392A publication Critical patent/CA290392A/fr

Status Expired legal-status Critical Current

Links

CA290392A Perforatrice a roc Expired CA290392A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA290392T

Publications (1)

Publication Number	Publication Date
CA290392A true CA290392A (fr)	1929-06-11

Family

ID=35227204

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA290392A Expired CA290392A (fr)			Perforatrice a roc

Country Status (1)

Country	Link
CA (1)	CA290392A (fr)

0
- CA CA290392A patent/CA290392A/fr not_active Expired

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